body , html{
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
    position: relative;
    min-width: 1300px;
}
/*a去掉超链接下划线，修改字体颜色*/
a{
    text-decoration: none;
    color: black;
}

#sub_header{
    height: 70px;
    /*background-color: aqua;*/
    border-top-color: #d5d2d2;
    border-top-width: 2px;
    border-top-style: solid;
}
.sub_container{
    width: 1100px;
    height: 54px;
    margin: 0 auto;
    /*background-color: #f5c2c7;*/
}
.sub_container .img_1{
    width: 115px;
    height: 54px;
    margin-top: 10px;
}
.sub_container .img_2{
    width: 120px;
    height: 20px;
}

.search-area {
    width: 350px;
    height: 60px;
    position: relative;
    float: right;
}


/*搜索框*/

.search_input {
    margin-top: 28px;
    width: 290px;
    height: 34px;
    border: 1px solid #545c63;
    padding-left: 10px;
    background-color: #f3f5f6;
    border-radius: 8px 0 0 8px;
}


/*搜索按钮*/

.search_a {
    position: absolute;
    top: 28px;
    width: 34px;
    height: 34px;
    background-color: #545c63;
    background-image: url("../../images/course/search.png");
    /*设置搜索小图标位置*/
    background-size: 34px 34px;
    border-radius: 0 8px 8px 0;
}
.operate_area{
    float: right;
    margin-top: 35px;
}
.operate_area .btn_blue{
    width: 90px;
    height: 36px;
    line-height: 18px;
    padding: 8px 24px;
    margin: 9px 0;
    color: #fff;
    font-size: 14px;
    border-radius: 4px;
    box-sizing: border-box;
    background: #37f;
}
#main{
    height: 1820px;
    background-color: #f3f5f6;
}
.article_container{
    width: 1100px;
    height: 1784px;
    margin: 0 auto;
    /*background-color: #f5c2c7;*/
    padding-top: 24px;
}
#left_menu {
    width: 70px;
    height: 570px;
    margin-right: 24px;
    padding-left: 38px;
    text-align: center;
    background: #fff;
    border-radius: 12px;
}
#left_menu .m_item {
    width: 88px;
    height: 34px;
    line-height: 20px;
    border-radius: 6px;
    list-style: none;
    margin: 0 auto;
    box-sizing: border-box;
    padding: 8px 0;
    font-size: 14px;
    position: relative;
    margin-bottom: 8px;
    margin-left: -28px;
}
.m_item a{
    float: left;
    width: 88px;
    height: 30px;
    margin: 5px 0;
    line-height: 30px;
    border-radius: 6px;
}
.url{
    background-color: rgba(42, 67, 219, 0.16);
    font-weight: bold;
    color: #0a58ca;
}
.bannerBox {
    width: 656px;
    height: 200px;
    margin-top: -585px;
    margin-left: 135px;
    border-radius: 8px 0 8px 0;
    position: absolute;
}
.left_img{
    width: 456px;
    height: 200px;
    border-radius: 8px 0 0 8px;

}
.right_img_1{
    width: 196px;
    height: 98px;
    position: absolute;
    margin-left: 5px;
    border-radius: 0 8px 0 0;
}
.right_img_2{
    width: 196px;
    height: 98px;
    position: absolute;
    margin-left: 5px;
    margin-top: 102px;
    border-radius: 0 0 8px 0;
}
.carefully_selected{
    width: 280px;
    height: 120px;
    float: right;
    margin-top: -570px;
}
.sevenImg{
    width: 280px;
}
.thirtyImg{
    width: 280px;
    margin-top: 8px;
}
.articleCon{
    width: 656px;
    height: 1540px;
    /*background-color: #3dd5f3;*/
    margin-top: -370px;
    margin-left: 135px;
    border-radius: 8px 8px 8px 8px;
    padding-top: 15px;
}
.article_lwrap{
    width: 656px;
    height: 80px;
    /*background-color: #cbf8c0;*/
}
.art_1{
    width: 66px;
    height: 66px;
    margin-top: 7px;
    margin-left: 20px;
    border-radius: 8px 8px 8px 8px;
}
.list-content_1{
    width: 534px;
    height: 65px;
    margin-top: -100px;
    margin-left: 100px;
    border-bottom-width: 2px;
    border-bottom-style: solid;
    border-bottom-color: #8e8e8e;
}
.word{
    margin-top: 35px;
    font-weight: bold;
}
.word_header{
    text-align: center;
    width: 65px;
    height: 25px;
    margin-top: -10px;
    border-radius: 12px 12px 12px 12px;
    background-color: #d9d5d5;
}
.moco-label{
    font-size: 10px;
    line-height: 25px;
}
.browseNum{
    width: 40px;
    height: 21px;
    margin-top: -14px;
}
.word_small{
    line-height: 25px;
    font-size: 10px;
    position: absolute;
}
.skill{
    margin-top: -22px;
    margin-left: 90px;
}
.createTime{
    width: 54px;
    height: 21px;
    margin-top: -20px;
    margin-left: 470px;
    font-size: 10px;
}
.pic_1{
    width: 48px;
    height: 48px;
}
.hot_article{
    width: 280px;
    height: 628px;
    /*background-color: #b6effb;*/
    float: right;
    margin-top: -1600px;
}
.labels-area{
    margin-top: 24px;
}
.articleList{
    padding-left: 38px;
    margin-top: 20px;
}
.art_item{
    width: 280px;
    height: 62px;
    list-style: none;
}
.leftImg{
    margin-top: 16px;
}
.imgCon{
    margin-left: -38px;
}
.pic_1{
    border-radius: 8px 8px 8px 8px;
}
.text{
    width: 220px;
    height: 20px;
    margin-top: -40px;
    margin-left: 20px;
    font-size: 14px;
}
.imv2-visibility{
    width: 25px;
    height: 25px;
    margin-top: 7px;
}
